package smartcrud.spring.controllers.cms;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import smartcrud.common.orm.Page;
import smartcrud.common.orm.PropertyFilter;
import smartcrud.common.orm.jdbc.JdbcUtils;
import smartcrud.spring.models.cms.Attachment;
import smartcrud.spring.models.cms.AttachmentService;
/**
 * Rails 1.2中对REST的实现默认把controller中的方法限制在7个：<br>
 * index、show、new、edit、create、 update和destroy.<br>
 * 而根据SpringSide4,使用Restful风格的Urls:<br>
 * 
 * <pre>
 * List page     : GET  /attachment/ 
 * Show page     : GET  /attachment/{id}
 * Create page   : GET  /attachment/create
 * Create action : POST /attachment/create
 * Update page   : GET  /attachment/update/{id}
 * Update action : POST /attachment/update
 * Delete action : GET  /attachment/delete
 * </pre>
 * 
 * @author cyper.yin
 * 
 */
@Controller
@RequestMapping(value = "/attachment")
public class AttachmentController {
    private final static Map<String,String> fileTypeList = new TreeMap<String,String>();
    static{
        fileTypeList.put("file", "file");
        fileTypeList.put("image", "image");
    }
	private static final String SUCCESS = "redirect:/attachment/";

	@Autowired
	private AttachmentService attachmentService;

	@RequestMapping(value = "")
	public String index(
			@RequestParam(value = "pageIndex", defaultValue = "1") Integer pageIndex,
			Model model, 
			HttpServletRequest request) {
		
		List<PropertyFilter> filters = JdbcUtils.buildPropertyFilters(request);
		
		Page<Attachment> page = new Page<Attachment>(10);
		page.setPageIndex(pageIndex);
		page = attachmentService.findByPage(page,filters);
		
		model.addAttribute("page", page);
		
		return "attachment/attachment_index";
	}

	@RequestMapping("/{id}")
	public String show(Model model, @PathVariable("id") Long id) {
		Attachment attachment = attachmentService.findAttachmentById(id);
		model.addAttribute(attachment);

		return "attachment/attachment_show";
	}

	@RequestMapping(value = "create", method = RequestMethod.GET)
	public String createForm(ModelMap model) {
	    model.addAttribute("fileTypeList",fileTypeList);
        
		Attachment attachment = new Attachment();
		model.addAttribute(attachment);
		return "attachment/attachment_new";
	}

	@RequestMapping(value = "create", method = RequestMethod.POST)
	public String create(@ModelAttribute("attachment") Attachment attachment,
			RedirectAttributes redirectAttributes) {
		attachmentService.createAttachment(attachment);
		redirectAttributes.addFlashAttribute("message", "create success!");

		return SUCCESS;
	}
	
    @InitBinder
    protected void initBinder(WebDataBinder binder) throws ServletException {
        // binder.registerCustomEditor(byte[].class,
        // new ByteArrayMultipartFileEditor());
        
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
        dateFormat.setLenient(false);
        binder.registerCustomEditor(Date.class, new CustomDateEditor(dateFormat, false));
    }
	
	@RequestMapping(value = "update/{id}", method = RequestMethod.GET)
	public String updateForm(Model model, @PathVariable("id") Long id) {
        model.addAttribute("fileTypeList",fileTypeList);
        
		Attachment attachment = attachmentService.findAttachmentById(id);
		model.addAttribute(attachment);
		return "attachment/attachment_edit";
	}

	@RequestMapping(value = "update", method = RequestMethod.POST)
	public String update(@ModelAttribute("attachment") Attachment attachment,
			RedirectAttributes redirectAttributes) {
		attachmentService.updateAttachment(attachment);
		redirectAttributes.addFlashAttribute("message", "update success!");
		return SUCCESS;
	}

	@RequestMapping(value = "delete/{id}")
	public String delete(@PathVariable("id") Long id,
			RedirectAttributes redirectAttributes) {
		attachmentService.deleteAttachment(id);
		redirectAttributes.addFlashAttribute("message", "delete success!");
		return SUCCESS;
	}
}
